Laryngectomy filter assembly



FIG. 1 is a top plan view;

FIG. 2 is a bottom plan view;

FIG. 3 is a side elevational view;

FIG. 4 is an end elevational view;

FIG. 5 is an exploded perspective view; and,

FIG. 6 is top perspective view. 

The ornamental design for a laryngectomy filter assembly, as shown. 